AJP8 Sump removal

[Hawkeye1922]

Anyone managed to remove and refit an AJP8 sump without taking the timing chain cover off? I've managed to get mine (4.2) off OK, but I'm wondering if I'll be able to get it back on.

[Tanguero]

How did you take the sump off when there are 5 studs that go through the timing cover?

[Hawkeye1922]

The studs are double-ended - you can get them out using a second nut as a locknut

I'm guessing if I want to get it back on without making a mess of the silicone I'll need to do the same with the downward pointing studs as well. I'm just being lazy really - wanted to avoid the faff of re-gasketting timing cover and cam covers.

[Tanguero]

Those studs are meant to be permanently loctited into the sump pan, I hope you haven't ripped the thread out of the alloy!! I hate to say it but my bet would be that if you try to put the sump back on without doing it properly your engine will leak like a sieve!

[ukkid35]

Tanguero said:

Those studs are meant to be permanently loctited into the sump pan, I hope you haven't ripped the thread out of the alloy!! I hate to say it but my bet would be that if you try to put the sump back on without doing it properly your engine will leak like a sieve!

I think you're being a bit reactionary, however if you have gone to the trouble of removing the sump, then taking the timing cover off is unlikely to be a significant inconvenience.

[Tanguero]

ukkid35 said:

Tanguero said:

Those studs are meant to be permanently loctited into the sump pan, I hope you haven't ripped the thread out of the alloy!! I hate to say it but my bet would be that if you try to put the sump back on without doing it properly your engine will leak like a sieve!

I think you're being a bit reactionary, however if you have gone to the trouble of removing the sump, then taking the timing cover off is unlikely to be a significant inconvenience.

Not sure its very reactionary. The timing cover was put on last at the factory with a bead of silicone under it. Buy taking the sump off without removing the timing cover the bottom part of that continuous bead will be removed. Silicone doesn't join well to already cured (and oily) silicone so that putting the sump back on without removing and resealing the timing cover is almost bound to leak. I know I had enough of a job getting mine sealed properly with the engine on a stand and the timing cover off.

[Hawkeye1922]

In the end I did it properly - you were right - didn't take too long. There was definitely no thread lock, though!